geoUnion
- Anthony George
- Eleanor Brodie
Owned by Anthony George
Function: geoUnion(Geometry left, Geometry right, Decimal Places)
Computes a geometry representing the point set which is contained in the left geometry and the right geometry.
If passed a string the geometry functions will automatically convert it into a geometry object.
Syntax
geoUnion( geometryValueLeft, geometryValueRight, decimalPlaces )
| Argument | Type | Description |
|---|---|---|
| geometryValueLeft | WTK String or Geometry Object | Geometry value being used to calculate the union with geometryValueRight. |
| geometryValueRight | WTK String or Geometry Object | The geometry being checked. |
| decimalPlaces | Integer | The number of decimal places to use in the geometry calculations. Defaults to 0 if not provided. Can also take negative values e.g. -1 uses geometry to the nearest 10. |
Examples
geoUnion("POLYGON ((0 0, 0 2, 2 2, 2 0, 0 0))", "POLYGON ((1 1, 3 1, 3 3, 1 3, 1 1))")Returns a Geometry representing the point-set which is contained in the left geometry and the right geometry.
See Also